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hle_ipc: Use event pair for SleepClientThread

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This commit is contained in:
Zach Hilman 2018-11-26 18:32:52 -05:00
parent c61d2a2841
commit a56fc84e7a
2 changed files with 22 additions and 19 deletions
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27
src/core/hle/kernel/hle_ipc.cpp
View file

@ -15,13 +15,14 @@
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/readable_event.h"
#include "core/hle/kernel/server_session.h"
#include "core/hle/kernel/writable_event.h"
#include "core/memory.h"
namespace Kernel {
@ -36,11 +37,9 @@ void SessionRequestHandler::ClientDisconnected(const SharedPtr<ServerSession>& s
boost::range::remove_erase(connected_sessions, server_session);
}
SharedPtr<Event> HLERequestContext::SleepClientThread(SharedPtr<Thread> thread,
const std::string& reason, u64 timeout,
WakeupCallback&& callback,
Kernel::SharedPtr<Kernel::Event> event) {
SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
SharedPtr<Thread> thread, const std::string& reason, u64 timeout, WakeupCallback&& callback,
SharedPtr<WritableEvent> writable_event, SharedPtr<ReadableEvent> readable_event) {
// Put the client thread to sleep until the wait event is signaled or the timeout expires.
thread->SetWakeupCallback([context = *this, callback](
ThreadWakeupReason reason, SharedPtr<Thread> thread,
@ -51,23 +50,23 @@ SharedPtr<Event> HLERequestContext::SleepClientThread(SharedPtr<Thread> thread,
return true;
});
if (!event) {
auto& kernel = Core::System::GetInstance().Kernel();
if (!writable_event || !readable_event) {
// Create event if not provided
auto& kernel = Core::System::GetInstance().Kernel();
event =
Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "HLE Pause Event: " + reason);
std::tie(writable_event, readable_event) = WritableEvent::CreateEventPair(
kernel, Kernel::ResetType::OneShot, "HLE Pause Event: " + reason);
}
event->Clear();
writable_event->Clear();
thread->SetStatus(ThreadStatus::WaitHLEEvent);
thread->SetWaitObjects({event});
event->AddWaitingThread(thread);
thread->SetWaitObjects({readable_event});
readable_event->AddWaitingThread(thread);
if (timeout > 0) {
thread->WakeAfterDelay(timeout);
}
return event;
return writable_event;
}
HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session)

14
src/core/hle/kernel/hle_ipc.h
View file

@ -24,10 +24,11 @@ class ServiceFrameworkBase;
namespace Kernel {
class Domain;
class Event;
class HandleTable;
class HLERequestContext;
class Process;
class ReadableEvent;
class WritableEvent;
/**
* Interface implemented by HLE Session handlers.
@ -119,12 +120,15 @@ public:
* @param callback Callback to be invoked when the thread is resumed. This callback must write
* the entire command response once again, regardless of the state of it before this function
* was called.
* @param event Event to use to wake up the thread. If unspecified, an event will be created.
* @param writable_event Event to use to wake up the thread. If unspecified, an event will be
* created.
* @param readable_event Event to be bound to the thread to wake up upon.
* @returns Event that when signaled will resume the thread and call the callback function.
*/
SharedPtr<Event> SleepClientThread(SharedPtr<Thread> thread, const std::string& reason,
u64 timeout, WakeupCallback&& callback,
Kernel::SharedPtr<Kernel::Event> event = nullptr);
SharedPtr<WritableEvent> SleepClientThread(SharedPtr<Thread> thread, const std::string& reason,
u64 timeout, WakeupCallback&& callback,
SharedPtr<WritableEvent> writable_event = nullptr,
SharedPtr<ReadableEvent> readable_event = nullptr);
/// Populates this context with data from the requesting process/thread.
ResultCode PopulateFromIncomingCommandBuffer(const HandleTable& handle_table,